Preparation

Preheat oven to 375 degrees. Oil and flour a 9-inch cake pan with 1 ½ inch sides; line bottom with parchment paper. Whisk eggs, oil, milk, and zest in large bowl. Whisk in 2/3 cup sugar. Add flour; whisk until batter is smooth. Mix in pears. Transfer batter to pan. Sprinkle top with 1 tablespoon sugar. Bake until brown on top and tester inserted into center comes out clean, about 40 minutes. Cool in pan on rack.